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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Farallon de Pajaros in Northern Mariana Islands

Posted by admin on September 23, 2018 0 Comments

Earthquake location 23.0193S, 144.6647WA light earthquake magnitude 4.5 (ml/mb) has occurred on Thursday, 275 km N of Farallon de Pajaros, Northern Mariana Islands (171 miles). Event ids that are associated to the earthquake: us2000h9i9. Id of event: us2000h9i9. Exact time and date of event in UTC/GMT: 29/08/18 / 2018-08-29 21:15:28 / August 29, 2018 @ 9:15 pm. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 07:15:28 / 7:15 am (local time epicenter). Exact location of earthquake, longitude 144.6647 East, latitude 23.0193 North, depth = 10 km.

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days fifteen and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 275 km N of Farallon de Pajaros, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 144.6647° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 23.0193° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 275km N of Farallon de Pajaros, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-29 21:15:28 Time when the event occurred. UTC/GMT
Updated 2018-09-23 03:53:04 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.64 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 206 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000h9i9 Id of event.
Event Code 2000h9i9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000h9i9, A comma-separated list of event ids that are associated to an event.

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